Test Your Knowledge!

A Global Blindness Facts Quiz

How much do you know about blindness and visual impairment? Take our quiz to test your global health knowledge!

Instructions: Answer all 5 questions. Once you are finished the correct answers will be displayed.

How many people worldwide are visually impaired?

What percentage of all visual impairment is avoidable by prevention, treatment or cure?

What percentage of the world's visually impaired live in developing countries?    

Globally, what is the most common cause of visual impairment?

Which of the following blinding diseases can be  prevented or treated?

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Categories: Preventing Blindness


  1. Hassan Desimas says...

    Blind people with undamaged eyes may still register light non-visually for the purpose of circadian entrainment to the 24-hour light/dark cycle. Light signals for this purpose travel through the retinohypothalamic tract and are not affected by optic nerve damage beyond where the retinohypothalamic tract exits.`”:-

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